OpenTechnical

OT-2026-000012757

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012757) never changes.

Identity and time

Publication numberOT-2026-000012757 · never reused
Internal UUID01a0ae6d-5562-7aaf-b86b-7c15c49c1503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012757
StatusPUBLIC

Content hashes

Canonical text16737572d435749bf91f0587bbe1a97cb4d5d8f25cd00ff3cf3ba00de593f74d
Markdownb988bf87c21727764cf5b5348138bfb3ae215e763fbe2ed27990a6f39da7635f
PDF
Publication page8622711d221a98c31a87d6bba72e0db5b2a3de208acbc6be73c1f54c09b112e3
Manifest730141d4ae7c5c8240d4dc636832afdd0cd439287a377ebf6f14371c095026b4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyTMvx41Npd78QUEeV5+RltmBg2Gq7hfTftgss2YfhzrG6ZU3IySAmY1sFRZpGQcl+CUVYDXDhS9RofSOklIdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:27.882313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012757
observed 8622711d221a98c31a87d6bba72e0db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.861622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012757/manifest.json
observed 730141d4ae7c5c8240d4dc636832afdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.842685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012757/publication.md
observed b988bf87c21727764cf5b5348138bfb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.822124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012757/publication.txt
observed 16737572d435749bf91f0587bbe1a97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.